Answer:
0.4 moles
Explanation:
To convert between moles and grams you need the molar mass of the compound. The molar mass of of CaCO3 is 100.09g/mol. You use that as the unit converter.
40gCaCO3* 1mol CaCO3/100.09gCaCO3 = 0.399640 mol CaCO3
This rounds to 0.4 moles CaCO3
Ammonium chloride is the correct name for NH4CL
A binary ionic compound is composed of ions of two different elements - one of which is a metal, and the other a nonmetal.
Igneous Rocks are formed from the cooling of magma or lava.
